Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/methodHandles_x86.cpp @ 1793:d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
Reviewed-by: never
| author | jrose |
|---|---|
| date | Mon, 13 Sep 2010 23:24:30 -0700 |
| parents | c18cbe5936b8 |
| children | c93c652551b5 b6aedd1acdc0 |
| rev | line source |
|---|---|
| 710 | 1 /* |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
| 710 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
21 * questions. |
| 710 | 22 * |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_methodHandles_x86.cpp.incl" | |
| 27 | |
| 28 #define __ _masm-> | |
| 29 | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
30 #ifdef PRODUCT |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
31 #define BLOCK_COMMENT(str) /* nothing */ |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
32 #else |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
33 #define BLOCK_COMMENT(str) __ block_comment(str) |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
34 #endif |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
35 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
36 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":") |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
37 |
| 710 | 38 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm, |
| 39 address interpreted_entry) { | |
| 40 // Just before the actual machine code entry point, allocate space | |
| 41 // for a MethodHandleEntry::Data record, so that we can manage everything | |
| 42 // from one base pointer. | |
| 43 __ align(wordSize); | |
| 44 address target = __ pc() + sizeof(Data); | |
| 45 while (__ pc() < target) { | |
| 46 __ nop(); | |
| 47 __ align(wordSize); | |
| 48 } | |
| 49 | |
| 50 MethodHandleEntry* me = (MethodHandleEntry*) __ pc(); | |
| 51 me->set_end_address(__ pc()); // set a temporary end_address | |
| 52 me->set_from_interpreted_entry(interpreted_entry); | |
| 53 me->set_type_checking_entry(NULL); | |
| 54 | |
| 55 return (address) me; | |
| 56 } | |
| 57 | |
| 58 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm, | |
| 59 address start_addr) { | |
| 60 MethodHandleEntry* me = (MethodHandleEntry*) start_addr; | |
| 61 assert(me->end_address() == start_addr, "valid ME"); | |
| 62 | |
| 63 // Fill in the real end_address: | |
| 64 __ align(wordSize); | |
| 65 me->set_end_address(__ pc()); | |
| 66 | |
| 67 return me; | |
| 68 } | |
| 69 | |
| 70 #ifdef ASSERT | |
| 1304 | 71 static void verify_argslot(MacroAssembler* _masm, Register argslot_reg, |
| 710 | 72 const char* error_message) { |
| 73 // Verify that argslot lies within (rsp, rbp]. | |
| 74 Label L_ok, L_bad; | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
75 BLOCK_COMMENT("{ verify_argslot"); |
| 1304 | 76 __ cmpptr(argslot_reg, rbp); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
77 __ jccb(Assembler::above, L_bad); |
| 1304 | 78 __ cmpptr(rsp, argslot_reg); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
79 __ jccb(Assembler::below, L_ok); |
| 710 | 80 __ bind(L_bad); |
| 81 __ stop(error_message); | |
| 82 __ bind(L_ok); | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
83 BLOCK_COMMENT("} verify_argslot"); |
| 710 | 84 } |
| 85 #endif | |
| 86 | |
| 87 | |
| 88 // Code generation | |
| 89 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) { | |
| 90 // rbx: methodOop | |
| 91 // rcx: receiver method handle (must load from sp[MethodTypeForm.vmslots]) | |
| 92 // rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted) | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
93 // rdx, rdi: garbage temp, blown away |
| 710 | 94 |
| 95 Register rbx_method = rbx; | |
| 96 Register rcx_recv = rcx; | |
| 97 Register rax_mtype = rax; | |
| 98 Register rdx_temp = rdx; | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
99 Register rdi_temp = rdi; |
| 710 | 100 |
| 101 // emit WrongMethodType path first, to enable jccb back-branch from main path | |
| 102 Label wrong_method_type; | |
| 103 __ bind(wrong_method_type); | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
104 Label invoke_generic_slow_path; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
105 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
106 __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeExact); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
107 __ jcc(Assembler::notEqual, invoke_generic_slow_path); |
| 710 | 108 __ push(rax_mtype); // required mtype |
| 109 __ push(rcx_recv); // bad mh (1st stacked argument) | |
| 110 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); | |
| 111 | |
| 112 // here's where control starts out: | |
| 113 __ align(CodeEntryAlignment); | |
| 114 address entry_point = __ pc(); | |
| 115 | |
| 116 // fetch the MethodType from the method handle into rax (the 'check' register) | |
| 117 { | |
| 118 Register tem = rbx_method; | |
| 119 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) { | |
| 120 __ movptr(rax_mtype, Address(tem, *pchase)); | |
| 121 tem = rax_mtype; // in case there is another indirection | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 // given the MethodType, find out where the MH argument is buried | |
| 126 __ movptr(rdx_temp, Address(rax_mtype, | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
127 __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, rdi_temp))); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
128 Register rdx_vmslots = rdx_temp; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
129 __ movl(rdx_vmslots, Address(rdx_temp, |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
130 __ delayed_value(java_dyn_MethodTypeForm::vmslots_offset_in_bytes, rdi_temp))); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
131 __ movptr(rcx_recv, __ argument_address(rdx_vmslots)); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
132 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
133 trace_method_handle(_masm, "invokeExact"); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
134 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
135 __ check_method_handle_type(rax_mtype, rcx_recv, rdi_temp, wrong_method_type); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
136 __ jump_to_method_handle_entry(rcx_recv, rdi_temp); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
137 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
138 // for invokeGeneric (only), apply argument and result conversions on the fly |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
139 __ bind(invoke_generic_slow_path); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
140 #ifdef ASSERT |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
141 { Label L; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
142 __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeGeneric); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
143 __ jcc(Assembler::equal, L); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
144 __ stop("bad methodOop::intrinsic_id"); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
145 __ bind(L); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
146 } |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
147 #endif //ASSERT |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
148 Register rbx_temp = rbx_method; // don't need it now |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
149 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
150 // make room on the stack for another pointer: |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
151 Register rcx_argslot = rcx_recv; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
152 __ lea(rcx_argslot, __ argument_address(rdx_vmslots, 1)); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
153 insert_arg_slots(_masm, 2 * stack_move_unit(), _INSERT_REF_MASK, |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
154 rcx_argslot, rbx_temp, rdx_temp); |
| 710 | 155 |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
156 // load up an adapter from the calling type (Java weaves this) |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
157 __ movptr(rdx_temp, Address(rax_mtype, |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
158 __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, rdi_temp))); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
159 Register rdx_adapter = rdx_temp; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
160 // movptr(rdx_adapter, Address(rdx_temp, java_dyn_MethodTypeForm::genericInvoker_offset_in_bytes())); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
161 // deal with old JDK versions: |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
162 __ lea(rdi_temp, Address(rdx_temp, |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
163 __ delayed_value(java_dyn_MethodTypeForm::genericInvoker_offset_in_bytes, rdi_temp))); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
164 __ cmpptr(rdi_temp, rdx_temp); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
165 Label sorry_no_invoke_generic; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
166 __ jccb(Assembler::below, sorry_no_invoke_generic); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
167 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
168 __ movptr(rdx_adapter, Address(rdi_temp, 0)); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
169 __ testptr(rdx_adapter, rdx_adapter); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
170 __ jccb(Assembler::zero, sorry_no_invoke_generic); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
171 __ movptr(Address(rcx_argslot, 1 * Interpreter::stackElementSize), rdx_adapter); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
172 // As a trusted first argument, pass the type being called, so the adapter knows |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
173 // the actual types of the arguments and return values. |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
174 // (Generic invokers are shared among form-families of method-type.) |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
175 __ movptr(Address(rcx_argslot, 0 * Interpreter::stackElementSize), rax_mtype); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
176 // FIXME: assert that rdx_adapter is of the right method-type. |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
177 __ mov(rcx, rdx_adapter); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
178 trace_method_handle(_masm, "invokeGeneric"); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
179 __ jump_to_method_handle_entry(rcx, rdi_temp); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
180 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
181 __ bind(sorry_no_invoke_generic); // no invokeGeneric implementation available! |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
182 __ movptr(rcx_recv, Address(rcx_argslot, -1 * Interpreter::stackElementSize)); // recover original MH |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
183 __ push(rax_mtype); // required mtype |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
184 __ push(rcx_recv); // bad mh (1st stacked argument) |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
185 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); |
| 710 | 186 |
| 187 return entry_point; | |
| 188 } | |
| 189 | |
| 190 // Helper to insert argument slots into the stack. | |
| 191 // arg_slots must be a multiple of stack_move_unit() and <= 0 | |
| 192 void MethodHandles::insert_arg_slots(MacroAssembler* _masm, | |
| 193 RegisterOrConstant arg_slots, | |
| 194 int arg_mask, | |
| 195 Register rax_argslot, | |
| 1503 | 196 Register rbx_temp, Register rdx_temp, Register temp3_reg) { |
| 197 assert(temp3_reg == noreg, "temp3 not required"); | |
| 710 | 198 assert_different_registers(rax_argslot, rbx_temp, rdx_temp, |
| 199 (!arg_slots.is_register() ? rsp : arg_slots.as_register())); | |
| 200 | |
| 201 #ifdef ASSERT | |
| 202 verify_argslot(_masm, rax_argslot, "insertion point must fall within current frame"); | |
| 203 if (arg_slots.is_register()) { | |
| 204 Label L_ok, L_bad; | |
| 205 __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
206 __ jccb(Assembler::greater, L_bad); |
| 710 | 207 __ testl(arg_slots.as_register(), -stack_move_unit() - 1); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
208 __ jccb(Assembler::zero, L_ok); |
| 710 | 209 __ bind(L_bad); |
| 210 __ stop("assert arg_slots <= 0 and clear low bits"); | |
| 211 __ bind(L_ok); | |
| 212 } else { | |
| 213 assert(arg_slots.as_constant() <= 0, ""); | |
| 214 assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); | |
| 215 } | |
| 216 #endif //ASSERT | |
| 217 | |
| 218 #ifdef _LP64 | |
| 219 if (arg_slots.is_register()) { | |
| 220 // clean high bits of stack motion register (was loaded as an int) | |
| 221 __ movslq(arg_slots.as_register(), arg_slots.as_register()); | |
| 222 } | |
| 223 #endif | |
| 224 | |
| 225 // Make space on the stack for the inserted argument(s). | |
| 226 // Then pull down everything shallower than rax_argslot. | |
| 227 // The stacked return address gets pulled down with everything else. | |
| 228 // That is, copy [rsp, argslot) downward by -size words. In pseudo-code: | |
| 229 // rsp -= size; | |
| 230 // for (rdx = rsp + size; rdx < argslot; rdx++) | |
| 231 // rdx[-size] = rdx[0] | |
| 232 // argslot -= size; | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
233 BLOCK_COMMENT("insert_arg_slots {"); |
| 710 | 234 __ mov(rdx_temp, rsp); // source pointer for copy |
| 235 __ lea(rsp, Address(rsp, arg_slots, Address::times_ptr)); | |
| 236 { | |
| 237 Label loop; | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
238 __ BIND(loop); |
| 710 | 239 // pull one word down each time through the loop |
| 240 __ movptr(rbx_temp, Address(rdx_temp, 0)); | |
| 241 __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp); | |
| 242 __ addptr(rdx_temp, wordSize); | |
| 243 __ cmpptr(rdx_temp, rax_argslot); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
244 __ jccb(Assembler::less, loop); |
| 710 | 245 } |
| 246 | |
| 247 // Now move the argslot down, to point to the opened-up space. | |
| 248 __ lea(rax_argslot, Address(rax_argslot, arg_slots, Address::times_ptr)); | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
249 BLOCK_COMMENT("} insert_arg_slots"); |
| 710 | 250 } |
| 251 | |
| 252 // Helper to remove argument slots from the stack. | |
| 253 // arg_slots must be a multiple of stack_move_unit() and >= 0 | |
| 254 void MethodHandles::remove_arg_slots(MacroAssembler* _masm, | |
| 255 RegisterOrConstant arg_slots, | |
| 256 Register rax_argslot, | |
| 1503 | 257 Register rbx_temp, Register rdx_temp, Register temp3_reg) { |
| 258 assert(temp3_reg == noreg, "temp3 not required"); | |
| 710 | 259 assert_different_registers(rax_argslot, rbx_temp, rdx_temp, |
| 260 (!arg_slots.is_register() ? rsp : arg_slots.as_register())); | |
| 261 | |
| 262 #ifdef ASSERT | |
| 1304 | 263 // Verify that [argslot..argslot+size) lies within (rsp, rbp). |
| 264 __ lea(rbx_temp, Address(rax_argslot, arg_slots, Address::times_ptr)); | |
| 265 verify_argslot(_masm, rbx_temp, "deleted argument(s) must fall within current frame"); | |
| 710 | 266 if (arg_slots.is_register()) { |
| 267 Label L_ok, L_bad; | |
| 268 __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
269 __ jccb(Assembler::less, L_bad); |
| 710 | 270 __ testl(arg_slots.as_register(), -stack_move_unit() - 1); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
271 __ jccb(Assembler::zero, L_ok); |
| 710 | 272 __ bind(L_bad); |
| 273 __ stop("assert arg_slots >= 0 and clear low bits"); | |
| 274 __ bind(L_ok); | |
| 275 } else { | |
| 276 assert(arg_slots.as_constant() >= 0, ""); | |
| 277 assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); | |
| 278 } | |
| 279 #endif //ASSERT | |
| 280 | |
| 281 #ifdef _LP64 | |
| 282 if (false) { // not needed, since register is positive | |
| 283 // clean high bits of stack motion register (was loaded as an int) | |
| 284 if (arg_slots.is_register()) | |
| 285 __ movslq(arg_slots.as_register(), arg_slots.as_register()); | |
| 286 } | |
| 287 #endif | |
| 288 | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
289 BLOCK_COMMENT("remove_arg_slots {"); |
| 710 | 290 // Pull up everything shallower than rax_argslot. |
| 291 // Then remove the excess space on the stack. | |
| 292 // The stacked return address gets pulled up with everything else. | |
| 293 // That is, copy [rsp, argslot) upward by size words. In pseudo-code: | |
| 294 // for (rdx = argslot-1; rdx >= rsp; --rdx) | |
| 295 // rdx[size] = rdx[0] | |
| 296 // argslot += size; | |
| 297 // rsp += size; | |
| 298 __ lea(rdx_temp, Address(rax_argslot, -wordSize)); // source pointer for copy | |
| 299 { | |
| 300 Label loop; | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
301 __ BIND(loop); |
| 710 | 302 // pull one word up each time through the loop |
| 303 __ movptr(rbx_temp, Address(rdx_temp, 0)); | |
| 304 __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp); | |
| 305 __ addptr(rdx_temp, -wordSize); | |
| 306 __ cmpptr(rdx_temp, rsp); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
307 __ jccb(Assembler::greaterEqual, loop); |
| 710 | 308 } |
| 309 | |
| 310 // Now move the argslot up, to point to the just-copied block. | |
| 311 __ lea(rsp, Address(rsp, arg_slots, Address::times_ptr)); | |
| 312 // And adjust the argslot address to point at the deletion point. | |
| 313 __ lea(rax_argslot, Address(rax_argslot, arg_slots, Address::times_ptr)); | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
314 BLOCK_COMMENT("} remove_arg_slots"); |
| 710 | 315 } |
| 316 | |
| 317 #ifndef PRODUCT | |
|
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1108
diff
changeset
|
318 extern "C" void print_method_handle(oop mh); |
| 710 | 319 void trace_method_handle_stub(const char* adaptername, |
|
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1108
diff
changeset
|
320 oop mh, |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
321 intptr_t* saved_regs, |
| 710 | 322 intptr_t* entry_sp, |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
323 intptr_t* saved_sp, |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
324 intptr_t* saved_bp) { |
| 710 | 325 // called as a leaf from native code: do not block the JVM! |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
326 intptr_t* last_sp = (intptr_t*) saved_bp[frame::interpreter_frame_last_sp_offset]; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
327 intptr_t* base_sp = (intptr_t*) saved_bp[frame::interpreter_frame_monitor_block_top_offset]; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
328 printf("MH %s mh="INTPTR_FORMAT" sp=("INTPTR_FORMAT"+"INTX_FORMAT") stack_size="INTX_FORMAT" bp="INTPTR_FORMAT"\n", |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
329 adaptername, (intptr_t)mh, (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp); |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
330 if (last_sp != saved_sp && last_sp != NULL) |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
331 printf("*** last_sp="INTPTR_FORMAT"\n", (intptr_t)last_sp); |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
332 if (Verbose) { |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
333 printf(" reg dump: "); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
334 int saved_regs_count = (entry_sp-1) - saved_regs; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
335 // 32 bit: rdi rsi rbp rsp; rbx rdx rcx (*) rax |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
336 int i; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
337 for (i = 0; i <= saved_regs_count; i++) { |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
338 if (i > 0 && i % 4 == 0 && i != saved_regs_count) |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
339 printf("\n + dump: "); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
340 printf(" %d: "INTPTR_FORMAT, i, saved_regs[i]); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
341 } |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
342 printf("\n"); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
343 int stack_dump_count = 16; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
344 if (stack_dump_count < (int)(saved_bp + 2 - saved_sp)) |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
345 stack_dump_count = (int)(saved_bp + 2 - saved_sp); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
346 if (stack_dump_count > 64) stack_dump_count = 48; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
347 for (i = 0; i < stack_dump_count; i += 4) { |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
348 printf(" dump at SP[%d] "INTPTR_FORMAT": "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT"\n", |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
349 i, &entry_sp[i+0], entry_sp[i+0], entry_sp[i+1], entry_sp[i+2], entry_sp[i+3]); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
350 } |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
351 print_method_handle(mh); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
352 } |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
353 } |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
354 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) { |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
355 if (!TraceMethodHandles) return; |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
356 BLOCK_COMMENT("trace_method_handle {"); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
357 __ push(rax); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
358 __ lea(rax, Address(rsp, wordSize*6)); // entry_sp |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
359 __ pusha(); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
360 // arguments: |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
361 __ push(rbp); // interpreter frame pointer |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
362 __ push(rsi); // saved_sp |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
363 __ push(rax); // entry_sp |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
364 __ push(rcx); // mh |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
365 __ push(rcx); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
366 __ movptr(Address(rsp, 0), (intptr_t) adaptername); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
367 __ call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub), 5); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
368 __ popa(); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
369 __ pop(rax); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
370 BLOCK_COMMENT("} trace_method_handle"); |
| 710 | 371 } |
| 372 #endif //PRODUCT | |
| 373 | |
|
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
374 // which conversion op types are implemented here? |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
375 int MethodHandles::adapter_conversion_ops_supported_mask() { |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
376 return ((1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
377 |(1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
378 |(1<<sun_dyn_AdapterMethodHandle::OP_CHECK_CAST) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
379 |(1<<sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
380 |(1<<sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
381 |(1<<sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
382 |(1<<sun_dyn_AdapterMethodHandle::OP_ROT_ARGS) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
383 |(1<<sun_dyn_AdapterMethodHandle::OP_DUP_ARGS) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
384 |(1<<sun_dyn_AdapterMethodHandle::OP_DROP_ARGS) |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
385 //|(1<<sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS) //BUG! |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
386 ); |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
387 // FIXME: MethodHandlesTest gets a crash if we enable OP_SPREAD_ARGS. |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
388 } |
|
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
389 |
| 710 | 390 // Generate an "entry" field for a method handle. |
| 391 // This determines how the method handle will respond to calls. | |
| 392 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) { | |
| 393 // Here is the register state during an interpreted call, | |
| 394 // as set up by generate_method_handle_interpreter_entry(): | |
| 395 // - rbx: garbage temp (was MethodHandle.invoke methodOop, unused) | |
| 396 // - rcx: receiver method handle | |
| 397 // - rax: method handle type (only used by the check_mtype entry point) | |
| 398 // - rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted) | |
| 399 // - rdx: garbage temp, can blow away | |
| 400 | |
| 401 Register rcx_recv = rcx; | |
| 402 Register rax_argslot = rax; | |
| 403 Register rbx_temp = rbx; | |
| 404 Register rdx_temp = rdx; | |
| 405 | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
406 // This guy is set up by prepare_to_jump_from_interpreted (from interpreted calls) |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
407 // and gen_c2i_adapter (from compiled calls): |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
408 Register saved_last_sp = LP64_ONLY(r13) NOT_LP64(rsi); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
409 |
| 710 | 410 guarantee(java_dyn_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); |
| 411 | |
| 412 // some handy addresses | |
| 413 Address rbx_method_fie( rbx, methodOopDesc::from_interpreted_offset() ); | |
| 414 | |
| 415 Address rcx_mh_vmtarget( rcx_recv, java_dyn_MethodHandle::vmtarget_offset_in_bytes() ); | |
| 416 Address rcx_dmh_vmindex( rcx_recv, sun_dyn_DirectMethodHandle::vmindex_offset_in_bytes() ); | |
| 417 | |
| 418 Address rcx_bmh_vmargslot( rcx_recv, sun_dyn_BoundMethodHandle::vmargslot_offset_in_bytes() ); | |
| 419 Address rcx_bmh_argument( rcx_recv, sun_dyn_BoundMethodHandle::argument_offset_in_bytes() ); | |
| 420 | |
| 421 Address rcx_amh_vmargslot( rcx_recv, sun_dyn_AdapterMethodHandle::vmargslot_offset_in_bytes() ); | |
| 422 Address rcx_amh_argument( rcx_recv, sun_dyn_AdapterMethodHandle::argument_offset_in_bytes() ); | |
| 423 Address rcx_amh_conversion( rcx_recv, sun_dyn_AdapterMethodHandle::conversion_offset_in_bytes() ); | |
| 424 Address vmarg; // __ argument_address(vmargslot) | |
| 425 | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
426 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes(); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
427 |
| 710 | 428 if (have_entry(ek)) { |
| 429 __ nop(); // empty stubs make SG sick | |
| 430 return; | |
| 431 } | |
| 432 | |
| 433 address interp_entry = __ pc(); | |
| 434 if (UseCompressedOops) __ unimplemented("UseCompressedOops"); | |
| 435 | |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
436 trace_method_handle(_masm, entry_name(ek)); |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
437 |
|
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
438 BLOCK_COMMENT(entry_name(ek)); |
| 710 | 439 |
| 440 switch ((int) ek) { | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
441 case _raise_exception: |
| 710 | 442 { |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
443 // Not a real MH entry, but rather shared code for raising an exception. |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
444 // Extra local arguments are pushed on stack, as required type at TOS+8, |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
445 // failing object (or NULL) at TOS+4, failing bytecode type at TOS. |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
446 // Beyond those local arguments are the PC, of course. |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
447 Register rdx_code = rdx_temp; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
448 Register rcx_fail = rcx_recv; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
449 Register rax_want = rax_argslot; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
450 Register rdi_pc = rdi; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
451 __ pop(rdx_code); // TOS+0 |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
452 __ pop(rcx_fail); // TOS+4 |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
453 __ pop(rax_want); // TOS+8 |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
454 __ pop(rdi_pc); // caller PC |
| 710 | 455 |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
456 __ mov(rsp, rsi); // cut the stack back to where the caller started |
| 710 | 457 |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
458 // Repush the arguments as if coming from the interpreter. |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
459 __ push(rdx_code); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
460 __ push(rcx_fail); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
461 __ push(rax_want); |
| 710 | 462 |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
463 Register rbx_method = rbx_temp; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
464 Label no_method; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
465 // FIXME: fill in _raise_exception_method with a suitable sun.dyn method |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
466 __ movptr(rbx_method, ExternalAddress((address) &_raise_exception_method)); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
467 __ testptr(rbx_method, rbx_method); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
468 __ jccb(Assembler::zero, no_method); |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
469 int jobject_oop_offset = 0; |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
470 __ movptr(rbx_method, Address(rbx_method, jobject_oop_offset)); // dereference the jobject |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
471 __ testptr(rbx_method, rbx_method); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
472 __ jccb(Assembler::zero, no_method); |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
473 __ verify_oop(rbx_method); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
474 __ push(rdi_pc); // and restore caller PC |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
475 __ jmp(rbx_method_fie); |
| 710 | 476 |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
477 // If we get here, the Java runtime did not do its job of creating the exception. |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
478 // Do something that is at least causes a valid throw from the interpreter. |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
479 __ bind(no_method); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
480 __ pop(rax_want); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
481 __ pop(rcx_fail); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
482 __ push(rax_want); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
483 __ push(rcx_fail); |
| 710 | 484 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); |
| 485 } | |
| 486 break; | |
| 487 | |
| 488 case _invokestatic_mh: | |
| 489 case _invokespecial_mh: | |
| 490 { | |
| 491 Register rbx_method = rbx_temp; | |
| 492 __ movptr(rbx_method, rcx_mh_vmtarget); // target is a methodOop | |
| 493 __ verify_oop(rbx_method); | |
| 494 // same as TemplateTable::invokestatic or invokespecial, | |
| 495 // minus the CP setup and profiling: | |
| 496 if (ek == _invokespecial_mh) { | |
| 497 // Must load & check the first argument before entering the target method. | |
| 498 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp); | |
| 499 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1)); | |
| 500 __ null_check(rcx_recv); | |
| 501 __ verify_oop(rcx_recv); | |
| 502 } | |
| 503 __ jmp(rbx_method_fie); | |
| 504 } | |
| 505 break; | |
| 506 | |
| 507 case _invokevirtual_mh: | |
| 508 { | |
| 509 // same as TemplateTable::invokevirtual, | |
| 510 // minus the CP setup and profiling: | |
| 511 | |
| 512 // pick out the vtable index and receiver offset from the MH, | |
| 513 // and then we can discard it: | |
| 514 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp); | |
| 515 Register rbx_index = rbx_temp; | |
| 516 __ movl(rbx_index, rcx_dmh_vmindex); | |
| 517 // Note: The verifier allows us to ignore rcx_mh_vmtarget. | |
| 518 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1)); | |
| 519 __ null_check(rcx_recv, oopDesc::klass_offset_in_bytes()); | |
| 520 | |
| 521 // get receiver klass | |
| 522 Register rax_klass = rax_argslot; | |
| 523 __ load_klass(rax_klass, rcx_recv); | |
| 524 __ verify_oop(rax_klass); | |
| 525 | |
| 526 // get target methodOop & entry point | |
| 527 const int base = instanceKlass::vtable_start_offset() * wordSize; | |
| 528 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below"); | |
| 529 Address vtable_entry_addr(rax_klass, | |
| 530 rbx_index, Address::times_ptr, | |
| 531 base + vtableEntry::method_offset_in_bytes()); | |
| 532 Register rbx_method = rbx_temp; | |
| 1108 | 533 __ movptr(rbx_method, vtable_entry_addr); |
| 710 | 534 |
| 535 __ verify_oop(rbx_method); | |
| 536 __ jmp(rbx_method_fie); | |
| 537 } | |
| 538 break; | |
| 539 | |
| 540 case _invokeinterface_mh: | |
| 541 { | |
| 542 // same as TemplateTable::invokeinterface, | |
| 543 // minus the CP setup and profiling: | |
| 544 | |
| 545 // pick out the interface and itable index from the MH. | |
| 546 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp); | |
| 547 Register rdx_intf = rdx_temp; | |
| 548 Register rbx_index = rbx_temp; | |
| 549 __ movptr(rdx_intf, rcx_mh_vmtarget); | |
| 550 __ movl(rbx_index, rcx_dmh_vmindex); | |
| 551 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1)); | |
| 552 __ null_check(rcx_recv, oopDesc::klass_offset_in_bytes()); | |
| 553 | |
| 554 // get receiver klass | |
| 555 Register rax_klass = rax_argslot; | |
| 556 __ load_klass(rax_klass, rcx_recv); | |
| 557 __ verify_oop(rax_klass); | |
| 558 | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
559 Register rdi_temp = rdi; |
| 710 | 560 Register rbx_method = rbx_index; |
| 561 | |
| 562 // get interface klass | |
| 563 Label no_such_interface; | |
| 564 __ verify_oop(rdx_intf); | |
| 565 __ lookup_interface_method(rax_klass, rdx_intf, | |
| 566 // note: next two args must be the same: | |
| 567 rbx_index, rbx_method, | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
568 rdi_temp, |
| 710 | 569 no_such_interface); |
| 570 | |
| 571 __ verify_oop(rbx_method); | |
| 572 __ jmp(rbx_method_fie); | |
| 573 __ hlt(); | |
| 574 | |
| 575 __ bind(no_such_interface); | |
| 576 // Throw an exception. | |
| 577 // For historical reasons, it will be IncompatibleClassChangeError. | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
578 __ pushptr(Address(rdx_intf, java_mirror_offset)); // required interface |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
579 __ push(rcx_recv); // bad receiver |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
580 __ push((int)Bytecodes::_invokeinterface); // who is complaining? |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
581 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
| 710 | 582 } |
| 583 break; | |
| 584 | |
| 585 case _bound_ref_mh: | |
| 586 case _bound_int_mh: | |
| 587 case _bound_long_mh: | |
| 588 case _bound_ref_direct_mh: | |
| 589 case _bound_int_direct_mh: | |
| 590 case _bound_long_direct_mh: | |
| 591 { | |
| 592 bool direct_to_method = (ek >= _bound_ref_direct_mh); | |
| 1304 | 593 BasicType arg_type = T_ILLEGAL; |
| 594 int arg_mask = _INSERT_NO_MASK; | |
| 595 int arg_slots = -1; | |
| 596 get_ek_bound_mh_info(ek, arg_type, arg_mask, arg_slots); | |
| 710 | 597 |
| 598 // make room for the new argument: | |
| 599 __ movl(rax_argslot, rcx_bmh_vmargslot); | |
| 600 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
| 601 insert_arg_slots(_masm, arg_slots * stack_move_unit(), arg_mask, | |
| 602 rax_argslot, rbx_temp, rdx_temp); | |
| 603 | |
| 604 // store bound argument into the new stack slot: | |
| 605 __ movptr(rbx_temp, rcx_bmh_argument); | |
| 606 Address prim_value_addr(rbx_temp, java_lang_boxing_object::value_offset_in_bytes(arg_type)); | |
| 607 if (arg_type == T_OBJECT) { | |
| 608 __ movptr(Address(rax_argslot, 0), rbx_temp); | |
| 609 } else { | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
610 __ load_sized_value(rdx_temp, prim_value_addr, |
| 710 | 611 type2aelembytes(arg_type), is_signed_subword_type(arg_type)); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
612 __ movptr(Address(rax_argslot, 0), rdx_temp); |
| 710 | 613 #ifndef _LP64 |
| 614 if (arg_slots == 2) { | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
615 __ movl(rdx_temp, prim_value_addr.plus_disp(wordSize)); |
| 1506 | 616 __ movl(Address(rax_argslot, Interpreter::stackElementSize), rdx_temp); |
| 710 | 617 } |
| 618 #endif //_LP64 | |
| 619 } | |
| 620 | |
| 621 if (direct_to_method) { | |
| 622 Register rbx_method = rbx_temp; | |
| 623 __ movptr(rbx_method, rcx_mh_vmtarget); | |
| 624 __ verify_oop(rbx_method); | |
| 625 __ jmp(rbx_method_fie); | |
| 626 } else { | |
| 627 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 628 __ verify_oop(rcx_recv); | |
| 629 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 630 } | |
| 631 } | |
| 632 break; | |
| 633 | |
| 634 case _adapter_retype_only: | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
635 case _adapter_retype_raw: |
| 710 | 636 // immediately jump to the next MH layer: |
| 637 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 638 __ verify_oop(rcx_recv); | |
| 639 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 640 // This is OK when all parameter types widen. | |
| 641 // It is also OK when a return type narrows. | |
| 642 break; | |
| 643 | |
| 644 case _adapter_check_cast: | |
| 645 { | |
| 646 // temps: | |
| 647 Register rbx_klass = rbx_temp; // interesting AMH data | |
| 648 | |
| 649 // check a reference argument before jumping to the next layer of MH: | |
| 650 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 651 vmarg = __ argument_address(rax_argslot); | |
| 652 | |
| 653 // What class are we casting to? | |
| 654 __ movptr(rbx_klass, rcx_amh_argument); // this is a Class object! | |
| 655 __ movptr(rbx_klass, Address(rbx_klass, java_lang_Class::klass_offset_in_bytes())); | |
| 656 | |
| 657 Label done; | |
| 658 __ movptr(rdx_temp, vmarg); | |
| 1277 | 659 __ testptr(rdx_temp, rdx_temp); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
660 __ jccb(Assembler::zero, done); // no cast if null |
| 710 | 661 __ load_klass(rdx_temp, rdx_temp); |
| 662 | |
| 663 // live at this point: | |
| 664 // - rbx_klass: klass required by the target method | |
| 665 // - rdx_temp: argument klass to test | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
666 // - rcx_recv: adapter method handle |
| 710 | 667 __ check_klass_subtype(rdx_temp, rbx_klass, rax_argslot, done); |
| 668 | |
| 669 // If we get here, the type check failed! | |
| 670 // Call the wrong_method_type stub, passing the failing argument type in rax. | |
| 671 Register rax_mtype = rax_argslot; | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
672 __ movl(rax_argslot, rcx_amh_vmargslot); // reload argslot field |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
673 __ movptr(rdx_temp, vmarg); |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
674 |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
675 __ pushptr(rcx_amh_argument); // required class |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
676 __ push(rdx_temp); // bad object |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
677 __ push((int)Bytecodes::_checkcast); // who is complaining? |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
678 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
| 710 | 679 |
| 680 __ bind(done); | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
681 // get the new MH: |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
682 __ movptr(rcx_recv, rcx_mh_vmtarget); |
| 710 | 683 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
| 684 } | |
| 685 break; | |
| 686 | |
| 687 case _adapter_prim_to_prim: | |
| 688 case _adapter_ref_to_prim: | |
| 689 // handled completely by optimized cases | |
| 690 __ stop("init_AdapterMethodHandle should not issue this"); | |
| 691 break; | |
| 692 | |
| 693 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim | |
| 694 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim | |
| 695 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim | |
| 696 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim | |
| 697 { | |
| 698 // perform an in-place conversion to int or an int subword | |
| 699 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 700 vmarg = __ argument_address(rax_argslot); | |
| 701 | |
| 702 switch (ek) { | |
| 703 case _adapter_opt_i2i: | |
| 704 __ movl(rdx_temp, vmarg); | |
| 705 break; | |
| 706 case _adapter_opt_l2i: | |
| 707 { | |
| 708 // just delete the extra slot; on a little-endian machine we keep the first | |
| 709 __ lea(rax_argslot, __ argument_address(rax_argslot, 1)); | |
| 710 remove_arg_slots(_masm, -stack_move_unit(), | |
| 711 rax_argslot, rbx_temp, rdx_temp); | |
| 1506 | 712 vmarg = Address(rax_argslot, -Interpreter::stackElementSize); |
| 710 | 713 __ movl(rdx_temp, vmarg); |
| 714 } | |
| 715 break; | |
| 716 case _adapter_opt_unboxi: | |
| 717 { | |
| 718 // Load the value up from the heap. | |
| 719 __ movptr(rdx_temp, vmarg); | |
| 720 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT); | |
| 721 #ifdef ASSERT | |
| 722 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { | |
| 723 if (is_subword_type(BasicType(bt))) | |
| 724 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), ""); | |
| 725 } | |
| 726 #endif | |
| 727 __ null_check(rdx_temp, value_offset); | |
| 728 __ movl(rdx_temp, Address(rdx_temp, value_offset)); | |
| 729 // We load this as a word. Because we are little-endian, | |
| 730 // the low bits will be correct, but the high bits may need cleaning. | |
| 731 // The vminfo will guide us to clean those bits. | |
| 732 } | |
| 733 break; | |
| 734 default: | |
| 1304 | 735 ShouldNotReachHere(); |
| 710 | 736 } |
| 737 | |
| 1304 | 738 // Do the requested conversion and store the value. |
| 710 | 739 Register rbx_vminfo = rbx_temp; |
| 740 __ movl(rbx_vminfo, rcx_amh_conversion); | |
| 741 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
| 742 | |
| 743 // get the new MH: | |
| 744 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 745 // (now we are done with the old MH) | |
| 746 | |
| 747 // original 32-bit vmdata word must be of this form: | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
748 // | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 | |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
749 __ xchgptr(rcx, rbx_vminfo); // free rcx for shifts |
| 710 | 750 __ shll(rdx_temp /*, rcx*/); |
| 751 Label zero_extend, done; | |
| 752 __ testl(rcx, CONV_VMINFO_SIGN_FLAG); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
753 __ jccb(Assembler::zero, zero_extend); |
| 710 | 754 |
| 755 // this path is taken for int->byte, int->short | |
| 756 __ sarl(rdx_temp /*, rcx*/); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
757 __ jmpb(done); |
| 710 | 758 |
| 759 __ bind(zero_extend); | |
| 760 // this is taken for int->char | |
| 761 __ shrl(rdx_temp /*, rcx*/); | |
| 762 | |
| 763 __ bind(done); | |
| 1304 | 764 __ movl(vmarg, rdx_temp); // Store the value. |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
765 __ xchgptr(rcx, rbx_vminfo); // restore rcx_recv |
| 710 | 766 |
| 767 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 768 } | |
| 769 break; | |
| 770 | |
| 771 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim | |
| 772 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim | |
| 773 { | |
| 774 // perform an in-place int-to-long or ref-to-long conversion | |
| 775 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 776 | |
| 777 // on a little-endian machine we keep the first slot and add another after | |
| 778 __ lea(rax_argslot, __ argument_address(rax_argslot, 1)); | |
| 779 insert_arg_slots(_masm, stack_move_unit(), _INSERT_INT_MASK, | |
| 780 rax_argslot, rbx_temp, rdx_temp); | |
| 1506 | 781 Address vmarg1(rax_argslot, -Interpreter::stackElementSize); |
| 782 Address vmarg2 = vmarg1.plus_disp(Interpreter::stackElementSize); | |
| 710 | 783 |
| 784 switch (ek) { | |
| 785 case _adapter_opt_i2l: | |
| 786 { | |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
787 #ifdef _LP64 |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
788 __ movslq(rdx_temp, vmarg1); // Load sign-extended |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
789 __ movq(vmarg1, rdx_temp); // Store into first slot |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
790 #else |
| 710 | 791 __ movl(rdx_temp, vmarg1); |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
792 __ sarl(rdx_temp, BitsPerInt - 1); // __ extend_sign() |
| 710 | 793 __ movl(vmarg2, rdx_temp); // store second word |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
794 #endif |
| 710 | 795 } |
| 796 break; | |
| 797 case _adapter_opt_unboxl: | |
| 798 { | |
| 799 // Load the value up from the heap. | |
| 800 __ movptr(rdx_temp, vmarg1); | |
| 801 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG); | |
| 802 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), ""); | |
| 803 __ null_check(rdx_temp, value_offset); | |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
804 #ifdef _LP64 |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
805 __ movq(rbx_temp, Address(rdx_temp, value_offset)); |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
806 __ movq(vmarg1, rbx_temp); |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
807 #else |
| 710 | 808 __ movl(rbx_temp, Address(rdx_temp, value_offset + 0*BytesPerInt)); |
| 809 __ movl(rdx_temp, Address(rdx_temp, value_offset + 1*BytesPerInt)); | |
| 810 __ movl(vmarg1, rbx_temp); | |
| 811 __ movl(vmarg2, rdx_temp); | |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
812 #endif |
| 710 | 813 } |
| 814 break; | |
| 815 default: | |
| 1304 | 816 ShouldNotReachHere(); |
| 710 | 817 } |
| 818 | |
| 819 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 820 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 821 } | |
| 822 break; | |
| 823 | |
| 824 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim | |
| 825 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim | |
| 826 { | |
| 827 // perform an in-place floating primitive conversion | |
| 828 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 829 __ lea(rax_argslot, __ argument_address(rax_argslot, 1)); | |
| 830 if (ek == _adapter_opt_f2d) { | |
| 831 insert_arg_slots(_masm, stack_move_unit(), _INSERT_INT_MASK, | |
| 832 rax_argslot, rbx_temp, rdx_temp); | |
| 833 } | |
| 1506 | 834 Address vmarg(rax_argslot, -Interpreter::stackElementSize); |
| 710 | 835 |
| 836 #ifdef _LP64 | |
| 837 if (ek == _adapter_opt_f2d) { | |
| 838 __ movflt(xmm0, vmarg); | |
| 839 __ cvtss2sd(xmm0, xmm0); | |
| 840 __ movdbl(vmarg, xmm0); | |
| 841 } else { | |
| 842 __ movdbl(xmm0, vmarg); | |
| 843 __ cvtsd2ss(xmm0, xmm0); | |
| 844 __ movflt(vmarg, xmm0); | |
| 845 } | |
| 846 #else //_LP64 | |
| 847 if (ek == _adapter_opt_f2d) { | |
| 848 __ fld_s(vmarg); // load float to ST0 | |
| 849 __ fstp_s(vmarg); // store single | |
| 1304 | 850 } else { |
| 710 | 851 __ fld_d(vmarg); // load double to ST0 |
| 852 __ fstp_s(vmarg); // store single | |
| 853 } | |
| 854 #endif //_LP64 | |
| 855 | |
| 856 if (ek == _adapter_opt_d2f) { | |
| 857 remove_arg_slots(_masm, -stack_move_unit(), | |
| 858 rax_argslot, rbx_temp, rdx_temp); | |
| 859 } | |
| 860 | |
| 861 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 862 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 863 } | |
| 864 break; | |
| 865 | |
| 866 case _adapter_prim_to_ref: | |
| 867 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
| 868 break; | |
| 869 | |
| 870 case _adapter_swap_args: | |
| 871 case _adapter_rot_args: | |
| 872 // handled completely by optimized cases | |
| 873 __ stop("init_AdapterMethodHandle should not issue this"); | |
| 874 break; | |
| 875 | |
| 876 case _adapter_opt_swap_1: | |
| 877 case _adapter_opt_swap_2: | |
| 878 case _adapter_opt_rot_1_up: | |
| 879 case _adapter_opt_rot_1_down: | |
| 880 case _adapter_opt_rot_2_up: | |
| 881 case _adapter_opt_rot_2_down: | |
| 882 { | |
| 1304 | 883 int swap_bytes = 0, rotate = 0; |
| 884 get_ek_adapter_opt_swap_rot_info(ek, swap_bytes, rotate); | |
| 710 | 885 |
| 886 // 'argslot' is the position of the first argument to swap | |
| 887 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 888 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
| 889 | |
| 890 // 'vminfo' is the second | |
| 891 Register rbx_destslot = rbx_temp; | |
| 892 __ movl(rbx_destslot, rcx_amh_conversion); | |
| 893 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
| 894 __ andl(rbx_destslot, CONV_VMINFO_MASK); | |
| 895 __ lea(rbx_destslot, __ argument_address(rbx_destslot)); | |
| 896 DEBUG_ONLY(verify_argslot(_masm, rbx_destslot, "swap point must fall within current frame")); | |
| 897 | |
| 898 if (!rotate) { | |
| 899 for (int i = 0; i < swap_bytes; i += wordSize) { | |
| 900 __ movptr(rdx_temp, Address(rax_argslot , i)); | |
| 901 __ push(rdx_temp); | |
| 902 __ movptr(rdx_temp, Address(rbx_destslot, i)); | |
| 903 __ movptr(Address(rax_argslot, i), rdx_temp); | |
| 904 __ pop(rdx_temp); | |
| 905 __ movptr(Address(rbx_destslot, i), rdx_temp); | |
| 906 } | |
| 907 } else { | |
| 908 // push the first chunk, which is going to get overwritten | |
| 909 for (int i = swap_bytes; (i -= wordSize) >= 0; ) { | |
| 910 __ movptr(rdx_temp, Address(rax_argslot, i)); | |
| 911 __ push(rdx_temp); | |
| 912 } | |
| 913 | |
| 914 if (rotate > 0) { | |
| 915 // rotate upward | |
| 916 __ subptr(rax_argslot, swap_bytes); | |
| 917 #ifdef ASSERT | |
| 918 { | |
| 919 // Verify that argslot > destslot, by at least swap_bytes. | |
| 920 Label L_ok; | |
| 921 __ cmpptr(rax_argslot, rbx_destslot); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
922 __ jccb(Assembler::aboveEqual, L_ok); |
| 710 | 923 __ stop("source must be above destination (upward rotation)"); |
| 924 __ bind(L_ok); | |
| 925 } | |
| 926 #endif | |
| 927 // work argslot down to destslot, copying contiguous data upwards | |
| 928 // pseudo-code: | |
| 929 // rax = src_addr - swap_bytes | |
| 930 // rbx = dest_addr | |
| 931 // while (rax >= rbx) *(rax + swap_bytes) = *(rax + 0), rax--; | |
| 932 Label loop; | |
| 933 __ bind(loop); | |
| 934 __ movptr(rdx_temp, Address(rax_argslot, 0)); | |
| 935 __ movptr(Address(rax_argslot, swap_bytes), rdx_temp); | |
| 936 __ addptr(rax_argslot, -wordSize); | |
| 937 __ cmpptr(rax_argslot, rbx_destslot); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
938 __ jccb(Assembler::aboveEqual, loop); |
| 710 | 939 } else { |
| 940 __ addptr(rax_argslot, swap_bytes); | |
| 941 #ifdef ASSERT | |
| 942 { | |
| 943 // Verify that argslot < destslot, by at least swap_bytes. | |
| 944 Label L_ok; | |
| 945 __ cmpptr(rax_argslot, rbx_destslot); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
946 __ jccb(Assembler::belowEqual, L_ok); |
| 710 | 947 __ stop("source must be below destination (downward rotation)"); |
| 948 __ bind(L_ok); | |
| 949 } | |
| 950 #endif | |
| 951 // work argslot up to destslot, copying contiguous data downwards | |
| 952 // pseudo-code: | |
| 953 // rax = src_addr + swap_bytes | |
| 954 // rbx = dest_addr | |
| 955 // while (rax <= rbx) *(rax - swap_bytes) = *(rax + 0), rax++; | |
| 956 Label loop; | |
| 957 __ bind(loop); | |
| 958 __ movptr(rdx_temp, Address(rax_argslot, 0)); | |
| 959 __ movptr(Address(rax_argslot, -swap_bytes), rdx_temp); | |
| 960 __ addptr(rax_argslot, wordSize); | |
| 961 __ cmpptr(rax_argslot, rbx_destslot); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
962 __ jccb(Assembler::belowEqual, loop); |
| 710 | 963 } |
| 964 | |
| 965 // pop the original first chunk into the destination slot, now free | |
| 966 for (int i = 0; i < swap_bytes; i += wordSize) { | |
| 967 __ pop(rdx_temp); | |
| 968 __ movptr(Address(rbx_destslot, i), rdx_temp); | |
| 969 } | |
| 970 } | |
| 971 | |
| 972 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 973 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 974 } | |
| 975 break; | |
| 976 | |
| 977 case _adapter_dup_args: | |
| 978 { | |
| 979 // 'argslot' is the position of the first argument to duplicate | |
| 980 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 981 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
| 982 | |
| 983 // 'stack_move' is negative number of words to duplicate | |
| 984 Register rdx_stack_move = rdx_temp; | |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
985 __ movl2ptr(rdx_stack_move, rcx_amh_conversion); |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
986 __ sarptr(rdx_stack_move, CONV_STACK_MOVE_SHIFT); |
| 710 | 987 |
| 988 int argslot0_num = 0; | |
| 989 Address argslot0 = __ argument_address(RegisterOrConstant(argslot0_num)); | |
| 990 assert(argslot0.base() == rsp, ""); | |
| 991 int pre_arg_size = argslot0.disp(); | |
| 992 assert(pre_arg_size % wordSize == 0, ""); | |
| 993 assert(pre_arg_size > 0, "must include PC"); | |
| 994 | |
| 995 // remember the old rsp+1 (argslot[0]) | |
| 996 Register rbx_oldarg = rbx_temp; | |
| 997 __ lea(rbx_oldarg, argslot0); | |
| 998 | |
| 999 // move rsp down to make room for dups | |
| 1000 __ lea(rsp, Address(rsp, rdx_stack_move, Address::times_ptr)); | |
| 1001 | |
| 1002 // compute the new rsp+1 (argslot[0]) | |
| 1003 Register rdx_newarg = rdx_temp; | |
| 1004 __ lea(rdx_newarg, argslot0); | |
| 1005 | |
| 1006 __ push(rdi); // need a temp | |
| 1007 // (preceding push must be done after arg addresses are taken!) | |
| 1008 | |
| 1009 // pull down the pre_arg_size data (PC) | |
| 1010 for (int i = -pre_arg_size; i < 0; i += wordSize) { | |
| 1011 __ movptr(rdi, Address(rbx_oldarg, i)); | |
| 1012 __ movptr(Address(rdx_newarg, i), rdi); | |
| 1013 } | |
| 1014 | |
| 1015 // copy from rax_argslot[0...] down to new_rsp[1...] | |
| 1016 // pseudo-code: | |
| 1017 // rbx = old_rsp+1 | |
| 1018 // rdx = new_rsp+1 | |
| 1019 // rax = argslot | |
| 1020 // while (rdx < rbx) *rdx++ = *rax++ | |
| 1021 Label loop; | |
| 1022 __ bind(loop); | |
| 1023 __ movptr(rdi, Address(rax_argslot, 0)); | |
| 1024 __ movptr(Address(rdx_newarg, 0), rdi); | |
| 1025 __ addptr(rax_argslot, wordSize); | |
| 1026 __ addptr(rdx_newarg, wordSize); | |
| 1027 __ cmpptr(rdx_newarg, rbx_oldarg); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1028 __ jccb(Assembler::less, loop); |
| 710 | 1029 |
| 1030 __ pop(rdi); // restore temp | |
| 1031 | |
| 1032 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 1033 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 1034 } | |
| 1035 break; | |
| 1036 | |
| 1037 case _adapter_drop_args: | |
| 1038 { | |
| 1039 // 'argslot' is the position of the first argument to nuke | |
| 1040 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 1041 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
| 1042 | |
| 1043 __ push(rdi); // need a temp | |
| 1044 // (must do previous push after argslot address is taken) | |
| 1045 | |
| 1046 // 'stack_move' is number of words to drop | |
| 1047 Register rdi_stack_move = rdi; | |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1048 __ movl2ptr(rdi_stack_move, rcx_amh_conversion); |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1049 __ sarptr(rdi_stack_move, CONV_STACK_MOVE_SHIFT); |
| 710 | 1050 remove_arg_slots(_masm, rdi_stack_move, |
| 1051 rax_argslot, rbx_temp, rdx_temp); | |
| 1052 | |
| 1053 __ pop(rdi); // restore temp | |
| 1054 | |
| 1055 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 1056 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 1057 } | |
| 1058 break; | |
| 1059 | |
| 1060 case _adapter_collect_args: | |
| 1061 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
| 1062 break; | |
| 1063 | |
| 1064 case _adapter_spread_args: | |
| 1065 // handled completely by optimized cases | |
| 1066 __ stop("init_AdapterMethodHandle should not issue this"); | |
| 1067 break; | |
| 1068 | |
| 1069 case _adapter_opt_spread_0: | |
| 1070 case _adapter_opt_spread_1: | |
| 1071 case _adapter_opt_spread_more: | |
| 1072 { | |
| 1073 // spread an array out into a group of arguments | |
| 1304 | 1074 int length_constant = get_ek_adapter_opt_spread_info(ek); |
| 710 | 1075 |
| 1076 // find the address of the array argument | |
| 1077 __ movl(rax_argslot, rcx_amh_vmargslot); | |
| 1078 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
| 1079 | |
| 1080 // grab some temps | |
| 1081 { __ push(rsi); __ push(rdi); } | |
| 1082 // (preceding pushes must be done after argslot address is taken!) | |
| 1083 #define UNPUSH_RSI_RDI \ | |
| 1084 { __ pop(rdi); __ pop(rsi); } | |
| 1085 | |
| 1086 // arx_argslot points both to the array and to the first output arg | |
| 1087 vmarg = Address(rax_argslot, 0); | |
| 1088 | |
| 1089 // Get the array value. | |
| 1090 Register rsi_array = rsi; | |
| 1091 Register rdx_array_klass = rdx_temp; | |
| 1092 BasicType elem_type = T_OBJECT; | |
| 1093 int length_offset = arrayOopDesc::length_offset_in_bytes(); | |
| 1094 int elem0_offset = arrayOopDesc::base_offset_in_bytes(elem_type); | |
| 1095 __ movptr(rsi_array, vmarg); | |
| 1096 Label skip_array_check; | |
| 1097 if (length_constant == 0) { | |
| 1098 __ testptr(rsi_array, rsi_array); | |
| 1099 __ jcc(Assembler::zero, skip_array_check); | |
| 1100 } | |
| 1101 __ null_check(rsi_array, oopDesc::klass_offset_in_bytes()); | |
| 1102 __ load_klass(rdx_array_klass, rsi_array); | |
| 1103 | |
| 1104 // Check the array type. | |
| 1105 Register rbx_klass = rbx_temp; | |
| 1106 __ movptr(rbx_klass, rcx_amh_argument); // this is a Class object! | |
| 1107 __ movptr(rbx_klass, Address(rbx_klass, java_lang_Class::klass_offset_in_bytes())); | |
| 1108 | |
| 1109 Label ok_array_klass, bad_array_klass, bad_array_length; | |
| 1110 __ check_klass_subtype(rdx_array_klass, rbx_klass, rdi, ok_array_klass); | |
| 1111 // If we get here, the type check failed! | |
| 1112 __ jmp(bad_array_klass); | |
| 1113 __ bind(ok_array_klass); | |
| 1114 | |
| 1115 // Check length. | |
| 1116 if (length_constant >= 0) { | |
| 1117 __ cmpl(Address(rsi_array, length_offset), length_constant); | |
| 1118 } else { | |
| 1119 Register rbx_vminfo = rbx_temp; | |
| 1120 __ movl(rbx_vminfo, rcx_amh_conversion); | |
| 1121 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
| 1122 __ andl(rbx_vminfo, CONV_VMINFO_MASK); | |
| 1123 __ cmpl(rbx_vminfo, Address(rsi_array, length_offset)); | |
| 1124 } | |
| 1125 __ jcc(Assembler::notEqual, bad_array_length); | |
| 1126 | |
| 1127 Register rdx_argslot_limit = rdx_temp; | |
| 1128 | |
| 1129 // Array length checks out. Now insert any required stack slots. | |
| 1130 if (length_constant == -1) { | |
| 1131 // Form a pointer to the end of the affected region. | |
| 1506 | 1132 __ lea(rdx_argslot_limit, Address(rax_argslot, Interpreter::stackElementSize)); |
| 710 | 1133 // 'stack_move' is negative number of words to insert |
| 1134 Register rdi_stack_move = rdi; | |
|
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1135 __ movl2ptr(rdi_stack_move, rcx_amh_conversion); |
|
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1136 __ sarptr(rdi_stack_move, CONV_STACK_MOVE_SHIFT); |
| 710 | 1137 Register rsi_temp = rsi_array; // spill this |
| 1138 insert_arg_slots(_masm, rdi_stack_move, -1, | |
| 1139 rax_argslot, rbx_temp, rsi_temp); | |
| 1140 // reload the array (since rsi was killed) | |
| 1141 __ movptr(rsi_array, vmarg); | |
| 1142 } else if (length_constant > 1) { | |
| 1143 int arg_mask = 0; | |
| 1144 int new_slots = (length_constant - 1); | |
| 1145 for (int i = 0; i < new_slots; i++) { | |
| 1146 arg_mask <<= 1; | |
| 1147 arg_mask |= _INSERT_REF_MASK; | |
| 1148 } | |
| 1149 insert_arg_slots(_masm, new_slots * stack_move_unit(), arg_mask, | |
| 1150 rax_argslot, rbx_temp, rdx_temp); | |
| 1151 } else if (length_constant == 1) { | |
| 1152 // no stack resizing required | |
| 1153 } else if (length_constant == 0) { | |
| 1154 remove_arg_slots(_masm, -stack_move_unit(), | |
| 1155 rax_argslot, rbx_temp, rdx_temp); | |
| 1156 } | |
| 1157 | |
| 1158 // Copy from the array to the new slots. | |
| 1159 // Note: Stack change code preserves integrity of rax_argslot pointer. | |
| 1160 // So even after slot insertions, rax_argslot still points to first argument. | |
| 1161 if (length_constant == -1) { | |
| 1162 // [rax_argslot, rdx_argslot_limit) is the area we are inserting into. | |
| 1163 Register rsi_source = rsi_array; | |
| 1164 __ lea(rsi_source, Address(rsi_array, elem0_offset)); | |
| 1165 Label loop; | |
| 1166 __ bind(loop); | |
| 1167 __ movptr(rbx_temp, Address(rsi_source, 0)); | |
| 1168 __ movptr(Address(rax_argslot, 0), rbx_temp); | |
| 1169 __ addptr(rsi_source, type2aelembytes(elem_type)); | |
| 1506 | 1170 __ addptr(rax_argslot, Interpreter::stackElementSize); |
| 710 | 1171 __ cmpptr(rax_argslot, rdx_argslot_limit); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1172 __ jccb(Assembler::less, loop); |
| 710 | 1173 } else if (length_constant == 0) { |
| 1174 __ bind(skip_array_check); | |
| 1175 // nothing to copy | |
| 1176 } else { | |
| 1177 int elem_offset = elem0_offset; | |
| 1178 int slot_offset = 0; | |
| 1179 for (int index = 0; index < length_constant; index++) { | |
| 1180 __ movptr(rbx_temp, Address(rsi_array, elem_offset)); | |
| 1181 __ movptr(Address(rax_argslot, slot_offset), rbx_temp); | |
| 1182 elem_offset += type2aelembytes(elem_type); | |
| 1506 | 1183 slot_offset += Interpreter::stackElementSize; |
| 710 | 1184 } |
| 1185 } | |
| 1186 | |
| 1187 // Arguments are spread. Move to next method handle. | |
| 1188 UNPUSH_RSI_RDI; | |
| 1189 __ movptr(rcx_recv, rcx_mh_vmtarget); | |
| 1190 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
| 1191 | |
| 1192 __ bind(bad_array_klass); | |
| 1193 UNPUSH_RSI_RDI; | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1194 __ pushptr(Address(rdx_array_klass, java_mirror_offset)); // required type |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1195 __ pushptr(vmarg); // bad array |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1196 __ push((int)Bytecodes::_aaload); // who is complaining? |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1197 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
| 710 | 1198 |
| 1199 __ bind(bad_array_length); | |
| 1200 UNPUSH_RSI_RDI; | |
|
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1201 __ push(rcx_recv); // AMH requiring a certain length |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1202 __ pushptr(vmarg); // bad array |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1203 __ push((int)Bytecodes::_arraylength); // who is complaining? |
|
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1204 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
| 710 | 1205 |
| 1206 #undef UNPUSH_RSI_RDI | |
| 1207 } | |
| 1208 break; | |
| 1209 | |
| 1210 case _adapter_flyby: | |
| 1211 case _adapter_ricochet: | |
| 1212 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
| 1213 break; | |
| 1214 | |
| 1215 default: ShouldNotReachHere(); | |
| 1216 } | |
| 1217 __ hlt(); | |
| 1218 | |
| 1219 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry); | |
| 1220 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
| 1221 | |
| 1222 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie)); | |
| 1223 } |